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Combined Drill
Combined drill
Replaceable bit combination, is in the replaceable bit (crown drill) based on the development of a drill, drilling range diameter 26mm~62m, hole depth of 3D/5D/7D/10D four specifications, cutting
edge with replaceable drill point and common U drill blade combination, high efficiency, low cost, hole machining accuracy tolerance in +0.l~-0.1 range.
Description
Combined drill

Characteristics and advantages of combination drill
The Replaceable Tip Combination Drill Bit is an advanced development based on the replaceable tip drill bit (Crown Drill). It offers a drilling diameter range from 26mm to 62mm and is available in four hole depth specifications: 3D, 5D, 7D, and 10D. This innovative design combines the advantages of replaceable tips with standard U-drill inserts, providing high efficiency, lower costs, and precise hole processing.
| Model Number | Blade Reaming Blade | Diameter (D1) | Size | Center Blade | Expansion Blade |
|---|---|---|---|---|---|
| LI | L2 | L3 | |||
| ADJS60-PA2600 | WCMMX04020S | 26.0 | 3D | 185 | 92 |
| 5D | 237 | 144 | |||
| 7D | 289 | 196 | |||
| 10D | 367 | 274 | |||
| ADJS60-PA2650 | WCMMX04020S | 26.5 | 3D | 185 | 92 |
| 5D | 237 | 144 | |||
| 7D | 289 | 196 | |||
| 10D | 367 | 274 | |||
| ADJS60-PA2700 | WCMMX04020S | 27.0 | 3D | 189 | 96 |
| 5D | 243 | 150 | |||
| 7D | 297 | 204 | |||
| 10D | 378 | 285 | |||
| ADJS60-PA2750 | WCMMX04020S | 27.5 | 3D | 189 | 96 |
| 5D | 243 | 150 | |||
| 7D | 297 | 204 | |||
| 10D | 378 | 285 | |||
| ADJS60-PA2800 | WCMMX04020S | 28.0 | 3D | 192 | 99 |
| 5D | 248 | 155 | |||
| 7D | 304 | 211 | |||
| 10D | 388 | 295 | |||
| ADJS60-PA2850 | WCMMX04020S | 28.5 | 3D | 192 | 99 |
| 5D | 248 | 155 | |||
| 7D | 304 | 211 | |||
| 10D | 388 | 295 | |||
| ADJS60-PA2900 | WCMMX04020S | 29.0 | 3D | 193 | 100 |
| 5D | 251 | 158 | |||
| 7D | 309 | 216 | |||
| 10D | 396 | 303 | |||
| ADJS60-PA2950 | WCMMX04020S | 29.5 | 3D | 193 | 100 |
| 5D | 251 | 158 | |||
| 7D | 309 | 216 | |||
| 10D | 396 | 303 | |||
| ADJS60-PA3000 | WCMMX04020S | 30.0 | 3D | 199 | 106 |
| 5D | 259 | 166 | |||
| 7D | 319 | 226 | |||
| 10D | 409 | 316 | |||
| ADJS60-PA3050 | WCMMX04020S | 30.5 | 3D | 199 | 106 |
| 5D | 259 | 166 |

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